See the Harry Potter star's transformation through the years.
2001
Today, Watson looks back on her appearance in Harry Potter and the Sorcerer's Stone with amusement: "It's like baby photos...I look like a chipmunk."
2002
As a 12-year-old, the Harry Potter and the Chamber of Secrets star played around with tween-friendly shimmery pink shadow and gloss.
2004
At 14, Watson wore girlish curls to a premiere of Harry Potter and the Prisoner of Azkaban.
2006
For a London screening of Driving Lessons, Watson sported fresh fringe.
2007
The sleek-looking Harry Potter and the Order of the Phoenix lead had a mature take on her future career: "The next things we do will prove whether we're made for this business, and whether we really can act."
2008
The 18-year-old lent her voice to Princess Pea in Tale of Despereaux and graduated to dramatic black liner.
2009
For the Orange British Academy Film Awards, Watson opted for a lose updo.
2009
At the London premiere of Harry Potter and the Half-Blood Prince, Watson added a subtle red ribbon to her wispy 'do.
2009
The Burberry model chose a modern take on a '60s beehive for the label's London show.
2010
She framed her face with shoulder-length waves for the Costume Institute Gala.
2011
Watson changed up her short cut with a darker hue and longer, face-framing tendrils.
2010
"I love it," Watson has said of her ultra-chic pixie cut. "I've wanted to do this for years and years; it's the most liberating thing ever."
2012
Watson hosted a Lancome-sponsored event with lacquered lips and cat-eye liner.
2012
For the MTV Movie Awards, Watson accented her pale, shimmery shadow with thick liner, lush lashes and a neutral lip. Watson's makeup artist Roz Music took inspiration from the jacaranda trees blooming in Los Angeles to create a look she described as "fairytale with an edge."
2012
To promote The Perks of Being a Wallflower in London, Watson paired rose lips and strong brows with a wavy retro hairstyle.
2013
Magenta lipstick for the People's Choice Awards.
2014
Watson stays on-trend with coral lips at the Noah premiere.
2015
The star lets her auburn hair down to participate in a live Q&A with Facebook fans about gender equality.
2015
Speaking of obsessed, that's pretty much how we feel about the faux bob hairstyle Emma Watson was seen rocking while attending the Regression photocall in Spain.
2016
The actress rocked a cute bob and a deep side part at the 2016 Met Gala, pairing the short 'do with metallic eye makeup and an off-the-shoulder dress.
2017
The actress pulled her brunette strands back into a soft updo at a New York screening of Beauty and the Beast. She completed the look with bold brows and a perfect red lip.